mirror of https://github.com/dahall/Vanara.git
24 lines
871 B
C#
24 lines
871 B
C#
using System;
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using System.Collections.Generic;
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using System.Runtime.InteropServices.ComTypes;
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using Vanara.InteropServices;
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namespace Vanara.Extensions
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{
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/// <summary>Extensions for types in System.Runtime.InteropServices.ComTypes.</summary>
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public static class ComTypeExtensions
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{
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/// <summary>Enumerates the strings from an <see cref="IEnumString"/> instance.</summary>
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/// <param name="iEnumString">The <see cref="IEnumString"/> instance.</param>
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/// <returns>A list of strings.</returns>
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/// <exception cref="ArgumentNullException">iEnumString</exception>
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public static IEnumerable<string> Enum(this IEnumString iEnumString)
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{
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if (iEnumString is null) yield break;
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using SafeCoTaskMemStruct<uint> ret = new();
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var items = new string[1];
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while (iEnumString.Next(1, items, ret) == 0 && ret.Value == 1)
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yield return items[0];
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}
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}
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} |